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BOSTON MARATHON 2023

Karen Crane

Bib: 23353•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:34/mi
26:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
53:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:20:00
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:47:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:53:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:14:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:42:59
↑ 181↓ 1480.2%
20M
9:19/mi
2:55:38
↑ 64↓ 500.2%
21M
9:53/mi
3:05:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:12:13
↑ 17↓ 861.7%
23M
9:16/mi
3:23:49
↑ 23↓ 630.6%
24M
9:07/mi
3:32:56
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:40:48
↓ 200.3%
25.2M
10:00/mi
3:44:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:54/mi
3:53:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:16
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:00:03
Pace9:09 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4126:378:3426:37
8:34
-
10K
6.21 mi11:48:1653:128:3426:35
8:33
-0:01
15K
9.32 mi12:15:041:20:008:3526:48
8:38
+0:05
20K
12.43 mi12:42:261:47:228:3827:22
8:49
+0:11
Half
13.11 mi12:48:201:53:168:385:54
8:39
-0:10
25K
15.53 mi13:09:372:14:338:4021:17
8:47
+0:08
30K
18.64 mi13:38:032:42:598:4528:26
9:09
+0:22
20M
20.00 mi13:50:422:55:388:4712:39
9:19
+0:10
21M
21.00 mi14:00:353:05:318:509:53
9:53
+0:34
35K
21.75 mi14:07:173:12:138:506:42
8:57
-0:56
23M
23.00 mi14:18:533:23:498:5211:36
9:16
+0:19
24M
24.00 mi14:28:003:32:568:529:07
9:07
-0:09
40K
24.85 mi14:35:523:40:488:537:52
9:12
+0:05
25.2M
25.20 mi14:39:193:44:158:543:27
10:00
+0:48
Finish
26.22 mi14:48:233:53:198:549:04
8:54
-1:06

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:33 /mi

Average Pace

8:54 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:59

94% of race

Time at Steady Pace

13:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:21:4126:378:3426:37
8:34
#18032
10K
6.21 mi11:48:1653:128:3426:35
8:33
#18273
15K
9.32 mi12:15:041:20:008:3526:48
8:38
#18385
20K
12.43 mi12:42:261:47:228:3827:22
8:49
#18455
Half
13.11 mi12:48:201:53:168:385:54
8:39
#18453
25K
15.53 mi13:09:372:14:338:4021:17
8:47
#18347
30K
18.64 mi13:38:032:42:598:4528:26
9:09
#18241
20M
20.00 mi13:50:422:55:388:4712:39
9:19
#18220
21M
21.00 mi14:00:353:05:318:509:53
9:53
#18187
35K
21.75 mi14:07:173:12:138:506:42
8:57
#18166
23M
23.00 mi14:18:533:23:498:5211:36
9:16
#18104
24M
24.00 mi14:28:003:32:568:529:07
9:07
#18109
40K
24.85 mi14:35:523:40:488:537:52
9:12
#18070
25.2M
25.20 mi14:39:193:44:158:543:27
10:00
#18058
Finish
26.22 mi14:48:233:53:198:549:04
8:54
#18047
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi180326579657918611(Top 70%)6864(Top 60%)6864(Top 1302%)
10K6.21 mi3.10 mi18273-2416679-1006679-10018609(Top 70%)6838(Top 60%)6838(Top 1298%)
15K9.32 mi3.11 mi18385-1126739-606739-6018611(Top 70%)6864(Top 60%)6864(Top 1302%)
20K12.43 mi3.11 mi18455-706778-396778-3918740(Top 70%)6931(Top 61%)6931(Top 1315%)
Half13.11 mi0.68 mi18453+26778677818648(Top 70%)6862(Top 60%)6862(Top 1302%)
25K15.53 mi2.42 mi18347+1066736+426736+4217845(Top 67%)6489(Top 57%)6489(Top 1231%)
30K18.64 mi3.11 mi18241+1066713+236713+2317944(Top 67%)6619(Top 58%)6619(Top 1256%)
20M20.00 mi1.36 mi18220+216714-16714-118072(Top 68%)6778(Top 59%)6778(Top 1286%)
21M21.00 mi1.00 mi18187+336714671417604(Top 66%)6527(Top 57%)6527(Top 1239%)
35K21.75 mi0.75 mi18166+216704+106704+1017753(Top 67%)6701(Top 59%)6701(Top 1272%)
23M23.00 mi1.25 mi18104+626676+286676+2817373(Top 65%)6489(Top 57%)6489(Top 1231%)
24M24.00 mi1.00 mi18109-56693-176693-1717747(Top 67%)6772(Top 59%)6772(Top 1285%)
40K24.85 mi0.85 mi18070+396681+126681+1217116(Top 64%)6470(Top 57%)6470(Top 1228%)
25.2M25.20 mi0.35 mi18058+126680+16680+117446(Top 66%)6679(Top 58%)6679(Top 1267%)
Finish26.22 mi1.02 mi18047+116684-46684-417504(Top 66%)6655(Top 58%)6655(Top 1263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18611

Females

6864

F60-64

6864

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18609

Females

6838

F60-64

6838

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18611

Females

6864

F60-64

6864

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18740

Females

6931

F60-64

6931

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18648

Females

6862

F60-64

6862

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17845

Females

6489

F60-64

6489

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17944

Females

6619

F60-64

6619

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18072

Females

6778

F60-64

6778

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17604

Females

6527

F60-64

6527

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17753

Females

6701

F60-64

6701

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17373

Females

6489

F60-64

6489

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17747

Females

6772

F60-64

6772

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17116

Females

6470

F60-64

6470

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17446

Females

6679

F60-64

6679

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17504

Females

6655

F60-64

6655

Passing Analysis

Category:
Athletes Passed
1512
Passed By
1527
Net Change
-15
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18032
5K → 10K200441-241#18032#18273
10K → 15K144256-112#18273#18385
15K → 20K133203-70#18385#18455
20K → Half3331+2#18455#18453
Half → 25K18377+106#18453#18347
25K → 30K235129+106#18347#18241
30K → 20M9069+21#18241#18220
20M → 21M11784+33#18220#18187
21M → 35K6039+21#18187#18166
35K → 23M10038+62#18166#18104
23M → 24M6166-5#18104#18109
24M → 40K6425+39#18109#18070
40K → 25.2M3220+12#18070#18058
25.2M → Finish6049+11#18058#18047
TOTALS15121527-15
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing